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Opis oferty

Senior Java Developer - banking industry (f/m/x) w Warszawa, Polska

Sii Sp. z o.o.

  • HybrydowoPołączenie biura i pracy zdalnej
  • KontraktUmowa czasowa lub freelancing

Warszawa, Polska

Your responsibilities

  • Designing and developing scalable full-stack applications based on object-oriented principles
  • Translating business and technical requirements into reliable, maintainable software solutions
  • Building data processing components, analytical services, and automated tools supporting business decision-making
  • Collaborating with internal stakeholders, end users, and cross-functional engineering teams
  • Participating in the full software development lifecycle, including architecture, implementation, testing, and deployment
  • Developing solutions based on distributed systems, event-driven architectures, APIs, and microservices

Our requirements

  • At least 5 years of experience in software development using Java and object-oriented programming concepts
  • Strong expertise in relational databases, data modelling, and system architecture design
  • Experience building highly available, scalable, and resilient business-critical applications
  • Practical knowledge of REST-based services, distributed systems, messaging platforms, and modern development practices
  • Openness to working in a hybrid model, including regular presence in the Warsaw office (3 days per week)
  • Excellent analytical, problem-solving, and communication skills, along with fluent spoken and written English

What we offer

  • Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
  • Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
  • We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
  • Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
  • Comfortable workplace – class A offices or remote work
  • Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
  • PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
  • Investment in your growth – meetups, webinars, training platform and technology blog – you choose
  • Fantastic atmosphere created by all Sii Power People
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